With a primary mirror diameter of 39 meters and a building height of 85 meters, the ELT is a project of superlatives. But it is not just the sheer scale of the building and its instruments that have the ability to impress. The construction processes are also outstanding. We have prepared a short movie that explains the challenging ZERODUR® production in six minutes, and sheds a light on the sophisticated logistics.

August 21st, 2017